CN206037161U - Big pot and stove of energy -concerving and environment -protective type gas - Google Patents

Abstract

The utility model provides a big pot and stove of energy -concerving and environment -protective type gas, includes the top of a kitchen range, locates the furnace in the top of a kitchen range and locates the intramural annular air cavity of furnace, annular air cavity upper end communicates with each other with the furnace upper end, and annular air cavity lower extreme stretches out the furnace wall through a hot runner outside, the other water tank that is equipped with of the top of a kitchen range, be equipped with spiral copper pipe in the water tank, spiral copper is managed including intake pipe and outlet duct, the hot runner links to each other with the intake pipe of spiral copper pipe, spiral copper is intraductal evenly to be equipped with a plurality of semi -circular copper sheets along spiral copper tube inner wall. An object of the utility model is to provide a big pot and stove of energy -concerving and environment -protective type gas, the heat of flue hot gas flow can be by make full use of, make full use of the resource, have good energy -conserving effect.

Description

Energy-saving and environment-friendly gas cooker

technical field

The utility model relates to the field of kitchen equipment, in particular to an energy-saving and environment-friendly gas large cooker.

Background technique

The large pot stove is a kind of stove in kitchen equipment, generally commercial kitchen equipment, and a kind of Chinese food stove. Large pots and stoves can generally be divided into three types: gas large pots, electromagnetic large pots, and steam large pots, among which gas large pots are the most widely used. The large pot stove is sturdy and durable, breaking the previous combustion method, so that the flame is transmitted to the surroundings in the furnace, with uniform firepower, energy saving and high efficiency; reasonable design, beautiful appearance, suitable for hotels, restaurants, enterprises and institutions, and is an ideal equipment in the kitchen.

Existing gas-fired energy-saving large pots and stoves generally adopt the flue waste heat utilization energy-saving technology. A flue is set at a lower position in the furnace. The flue is heated by the bottom of the water tank next to the large frying pan. Quickly pass through the bottom of the water tank, and then discharge from the chimney on the back of the large pot and stove. This kind of waste heat utilization is energy-saving, and the utilization rate of the calorific value is not high. Therefore, the Chinese utility model whose publication number is 204201951U discloses "A Large Gas-fired Energy-saving Cooking Range". The upper chimney is connected, and there is a vertical water tank in the chimney, and a heat exchange device is installed in the water tank. The heat exchange device can transfer the heat of the hot air flow to the water in the water tank, so as to make full use of the heat of gas combustion and indirectly achieve energy saving. Effect.

Obviously, in this energy-saving large cooker, the flue gas channel and the chimney are the main circulation channels of the hot air, and the flow rate of the hot air produced by the high-power burner of the large boiler is also very fast. The chimney of the above-mentioned large cooker Set straight, the water tank in the chimney is also in the shape of a long tube, straight to the smoke outlet without twists and turns, the hot air flow enters the water tank from the flue gas channel and then quickly passes through the heat exchange device in the water tank to go straight to the smoke outlet, resulting in the utilization of heat by the hot air. Insufficient, a large amount of heat energy wasted, which does not conform to its "energy saving" theme, so further improvements can be made to the above-mentioned gas energy-saving large cooker to make it have a better energy-saving effect.

Utility model content

The purpose of the utility model is to provide an energy-saving and environment-friendly gas boiler stove, the heat of the flue hot air flow can be fully utilized, the resources are fully utilized, and the energy-saving effect is good.

The above purpose of the utility model is achieved through the following technical solutions: an energy-saving and environment-friendly gas boiler, including a cooker, a furnace inside the cooker and an annular air cavity inside the furnace wall, the annular air cavity The upper end communicates with the upper end of the furnace, and the lower end of the annular air cavity protrudes out of the furnace wall through a hot runner. The hot runner is connected with the intake pipe of the spiral copper pipe, and a plurality of semicircular copper sheets are evenly arranged in the spiral copper pipe along the inner wall of the spiral copper pipe.

By adopting the above-mentioned technical scheme, when the pot is placed on the top of the furnace, a relatively closed space is formed in the furnace, and the annular air cavity communicated with the furnace provided in the furnace wall becomes the main channel for the hot air in the furnace, and the hot air is discharged through the annular air cavity outside the hearth. The copper pipe in the water tank is made into a spiral shape, which can greatly extend the path of the hot air flow in the copper pipe compared with the straight pipe, so that the heat of the hot air flow can be fully transmitted to the copper pipe, and then heat the water in the water tank through the copper pipe. water. The semi-circular copper sheet can play a throttling role. The word "throttling" in the Chinese vocabulary is interpreted as restricting inflow or outflow. It is commonly explained that the fluid flows in the pipe, and the pressure drops after encountering a narrowed section. If the flow rate slows down, multiple semicircular copper sheets are evenly arranged in the spiral copper tube, which can prolong the flow time of the hot air flow in the spiral copper tube, and can fully transfer the heat of the hot air flow to the water tank in the water tank through the spiral copper tube. in the water.

Preferably, two adjacent semicircular copper sheets are arranged oppositely.

By adopting the above-mentioned technical scheme, the hot air flow can be moved along a route similar to an "S" shape at two adjacent semicircular copper sheets in the spiral copper tube, further prolonging the journey of the hot air flow in the spiral copper tube.

Preferably, the outer wall of the spiral copper tube is evenly provided with a plurality of annular copper sheets concentric with it.

By adopting the above technical solution, the arrangement of multiple annular copper sheets will increase the contact area between the spiral copper tube and the water liquid, and can conduct the heat on the wall of the spiral copper tube to the water liquid more quickly.

Preferably, the semicircular copper sheet is integrated with the annular copper sheet.

By adopting the above technical solution, part of the heat of the hot air flow is transferred to the water through the spiral copper pipe, and the other part of the heat is directly transferred to the water through the integrated structure of the semicircular copper sheet and the annular copper sheet.

Preferably, a flow regulating valve is provided between the inlet pipe of the spiral copper pipe and the hot runner.

By adopting the above-mentioned technical scheme, the flow regulating valve can be manually adjusted, so that the flow speed of the hot air in the spiral copper tube can be controlled, and the smaller the opening of the valve, the faster the gas flow speed, and vice versa, the effect is opposite. Without affecting the fire in the furnace, properly adjusting the opening of the valve can slow down the flow speed of the airflow, so that the hot airflow has enough time to dissipate heat.

Preferably, the end of the outlet pipe of the spiral copper pipe is provided with a metal mesh cover.

By adopting the above-mentioned technical scheme, the arrangement of the metal mesh cover can filter impurities such as dust in the exhaust gas and avoid smoke and dust pollution.

Preferably, a water inlet pipe, a water outlet pipe, and a faucet are provided on the side of the water tank.

By adopting the above technical scheme, setting the water inlet pipe and the water outlet pipe on the side of the water tank can facilitate the rapid replacement of the heated boiling water in the water tank with cold water, and the setting of the faucet can facilitate a small amount of water receiving

Preferably, a burner is also included, the burner is arranged at the bottom of the furnace, and a metal pipe is communicated with the lower end of the annular air cavity, and the metal pipe is spirally wound on the outer wall of the metal pipe.

By adopting the above technical scheme, since the air temperature just entering the burner is low, it is easy to affect the temperature in the furnace, thereby affecting the fire, and the metal pipe connecting the annular air cavity can be spirally wound on the outer wall of the burner, and the hot metal pipe can be The heating burner indirectly heats the cold air entering the burner, avoiding the influence of the cold air on the furnace temperature.

Preferably, the inner cavity of the burner is provided with a grid.

By adopting the above-mentioned technical scheme, the grid grid can play the role of diverting flow. Usually, the burner uses a fan for air intake, and the grid grid can disrupt the air flow blown into the burner, so that the air and gas can be mixed evenly, which helps the gas flow of full combustion.

Preferably, the furnace wall is filled with an insulating layer made of aluminum silicate material.

By adopting the above technical scheme, aluminum silicate has low thermal conductivity and excellent thermal stability, and the insulation layer filled with this material has good high temperature resistance and thermal insulation performance.

In summary, the utility model has the following beneficial effects:

1. The spiral copper tube and the multiple annular copper sheets on it, and the multiple semicircular copper sheets inside constitute an excellent heat dissipation device, which can fully absorb the heat of the hot air flow and efficiently dissipate it into the water tank in the water;

2. The finally exhausted gas is filtered by the metal mesh cover, which eliminates the air pollution caused by the exhaust impurities such as dust and black ash.

Description of drawings

Fig. 1 is the overall structural representation of the utility model in embodiment 1;

Fig. 2 is the overall structural representation of the utility model in embodiment 2;

Fig. 3 is a sectional view somewhere of the spiral copper pipe of the present utility model in embodiment 2;

Fig. 4 is the top view of the air outlet of the air outlet pipe of the present utility model in embodiment 2;

Fig. 5 is the structural representation of a certain section of spiral copper tube of the utility model in embodiment 2;

Fig. 6 is the overall structural representation of the utility model in embodiment 3;

Fig. 7 is a schematic diagram of the external structure of the burner of the present utility model in embodiment 3;

Fig. 8 is a bottom view of the burner of the present invention in embodiment 3.

Reference signs: 1, cooktop; 11, cauldron; 2, furnace; 21, annular air cavity; 211, hot runner; 212, metal pipe; 2121, air outlet; 22, insulation layer; 3, water tank; 31, Spiral copper pipe; 311, air intake pipe; 312, air outlet pipe; 32, semicircular copper sheet; 33, annular copper sheet; 34, water inlet pipe; 35, water outlet pipe; 36, faucet; 4, flow regulating valve; 5, Metal mesh cover; 6, burner; 61, mesh grid; 62, gas pipeline.

detailed description

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Example 1

An energy-saving and environment-friendly gas-fired large pot and stove, as shown in Figure 1, the large pot 11 stove includes a stove 1, a water tank 3 is provided on the left side of the stove 1, and the water tank 3 communicates with the inside of the stove 1 through a hot runner 211, Inside the water tank 3 there is a vertically placed spiral copper pipe 31, the air outlet pipe 312 at the top of the spiral copper pipe 31 extends to the outside from the top of the water tank 3, and the air inlet pipe 311 at the bottom of the spiral copper pipe 31 protrudes from the bottom side of the water tank 3 to communicate with the heat flow. Road 211 connects. A plurality of semicircular copper sheets 32 are welded equidistantly on the inner wall of the spiral copper pipe 31 , and the part of the spiral copper pipe 31 located in the water tank 3 is provided with the semicircular copper sheets 32 .

There is a cauldron 11 on the cooktop 1, the inside of the cooktop 1 is the hearth 2, the bottom of the cauldron 11 is sunk in the hearth 2, and the outer wall of the hearth 2 is provided with an insulating layer 22 filled with aluminum silicate material for heat preservation. An annular air cavity 21 is sandwiched within the layer 22 . The top of the annular air cavity 21 extends to the bottom of the cauldron 11 and communicates with the furnace 2. The above-mentioned hot runner 211 is inserted on the left side of the bottom of the annular air cavity 21 .

Example 2

An energy-saving and environment-friendly gas-fired cauldron 11 stove, as shown in Figures 2 to 4, on the basis of Embodiment 1, the spiral copper tube 31 is cut off first, and then the semicircular copper sheet 32 is welded to the spiral coil at the fracture. Inside the copper tube 31, the annular copper sheet 33 and the semicircular copper sheet 32 are welded as a whole, and finally the truncated spiral copper tube 31 is re-welded. The annular copper sheet 33, the semicircular copper sheet 32 and the spiral copper tube 31 should be vertical. As shown in FIG. 5 , two adjacent semicircular copper sheets 32 should be reversely welded.

As shown in Figure 2, between the water tank 3 and the stove 1, a flow regulating valve 4 is installed at the interface between the hot runner 211 and the air inlet pipe 311, and the left side of the water tank 3 is provided with a water inlet pipe 34, an outlet pipe 35, and a faucet. 36. In addition, the end of the air outlet pipe 312 protruding from the top of the water tank 3 is covered with a metal mesh cover 5, as shown in FIG. 4 .

Example 3

An energy-saving and environment-friendly gas cooker, combined with Fig. 6 and Fig. 7, on the basis of Embodiment 1, it is inserted on the side different from the hot runner 211, that is, on the right side of the annular air chamber 21 in Fig. 5 Enter a metal pipe 212, the other end of the metal pipe 212 is airtight, and the metal pipe 212 is wound on the outer wall of the burner 6 in a spiral shape. A circular grid 61 is welded on the lower part of the inner wall of the burner 6, as shown in FIG.

The semicircular copper sheet 32 and the spiral copper tube 31 in all the above-mentioned embodiments should be made of red copper, because among common metals, the thermal conductivity of red copper is second only to silver.

This specific embodiment is only an explanation of the utility model, and it is not a limitation of the utility model. After reading this description, those skilled in the art can make modifications to the embodiment without creative contribution according to needs, but as long as it is within the utility model All new claims are protected by patent law.

Claims (10)

1. An energy-saving and environment-friendly large gas cooker, comprising a cooker (1), a furnace (2) inside the cooker (1) and an annular air cavity (21) inside the wall of the furnace (2), the ring The upper end of the gas cavity (21) communicates with the upper end of the furnace (2), the lower end of the annular gas cavity (21) protrudes out of the wall of the furnace (2) through a hot runner (211), and a water tank (3) is provided beside the stove (1) , characterized in that: the water tank (3) is provided with a spiral copper pipe (31), the spiral copper pipe (31) includes an air inlet pipe (311) and an air outlet pipe (312), the hot runner (211) and the spiral copper pipe The air intake pipe (311) of the pipe (31) is connected, and the spiral copper pipe (31) is evenly provided with a plurality of semicircular copper sheets (33) along the inner wall of the spiral copper pipe (31). 2. The energy-saving and environment-friendly gas boiler stove according to claim 1, characterized in that: two adjacent semicircular copper sheets (33) are arranged oppositely. 3. The energy-saving and environment-friendly gas cooking stove according to claim 2, characterized in that: the outer wall of the spiral copper tube (31) is evenly provided with a plurality of concentric annular copper sheets (32). 4. The energy-saving and environment-friendly gas cooking stove according to claim 3, characterized in that: the semicircular copper piece (33) is connected with the annular copper piece (32) as a whole. 5. The energy-saving and environment-friendly gas cooker according to claim 4, characterized in that: a flow regulating valve (4 ). 6. The energy-saving and environment-friendly gas cooking stove according to claim 5, characterized in that: the gas outlet (2121) of the spiral copper pipe (31) is covered with a metal mesh cover (5). 7. The energy-saving and environment-friendly gas cooking stove according to claim 6, characterized in that: the side of the water tank (3) is provided with a water inlet pipe (34), a water outlet pipe (35), and a faucet (36). 8. The energy-saving and environment-friendly gas boiler stove according to claim 1, characterized in that: it also includes a burner (6), the burner (6) is arranged at the bottom of the furnace (2), and the annular air chamber ( 21) The lower end is connected with a metal pipe (212), and the metal pipe (212) is spirally wound on the outer wall of the metal pipe (212). 9. The energy-saving and environment-friendly gas cooking stove according to claim 8, characterized in that: a grid (61) is provided at the bottom of the inner cavity of the burner (6). 10. The energy-saving and environment-friendly gas-fired large cooker according to any one of claims 1-9, characterized in that: the wall of the furnace (2) is filled with an insulating layer (22) made of aluminum silicate material ).